fix crash

Author: OskarDamkjaer

packages/language-support/src/signatureHelp.ts

@@ -33,7 +33,7 @@ interface ParsedMethod {
 }
 
 function toSignatureHelp(
-  methodSignatures: Record<string, SignatureInformation>,
+  methodSignatures: Record<string, SignatureInformation> = {},
   parsedMethod: ParsedMethod,
 ) {
   const methodName = parsedMethod.methodName;

packages/language-support/src/tests/signatureHelp.test.ts

@@ -219,6 +219,11 @@ describe('Procedures signature help', () => {
       63,
     );
   });
+
+  test('Does not crash on missing schema', () => {
+    testSignatureHelp(`CALL apoc.do.when`, undefined, emptyResult);
+    testSignatureHelp(`CALL apoc.do.when`, {}, emptyResult);
+  });
 });
 
 describe('Functions signature help', () => {
@@ -391,4 +396,9 @@ describe('Functions signature help', () => {
       89,
     );
   });
+
+  test('Does not crash on missing schema', () => {
+    testSignatureHelp(`CALL apoc.do.when`, undefined, emptyResult);
+    testSignatureHelp(`CALL apoc.do.when`, {}, emptyResult);
+  });
 });